Pirama Arumuga Nainar | 799172d | 2016-03-03 15:50:30 -0800 | [diff] [blame^] | 1 | // Test that initially callocked memory is properly freed |
| 2 | // (see https://github.com/google/sanitizers/issues/626). |
| 3 | // |
| 4 | // RUN: %clang %s -o %t |
| 5 | // RUN: env LD_PRELOAD=%shared_libasan %run %t |
| 6 | // |
| 7 | // REQUIRES: asan-dynamic-runtime |
| 8 | // |
| 9 | // This way of setting LD_PRELOAD does not work with Android test runner. |
| 10 | // REQUIRES: not-android |
| 11 | |
| 12 | #include <stdio.h> |
| 13 | #include <stdlib.h> |
| 14 | |
| 15 | static void *ptr; |
| 16 | |
| 17 | // This constructor will run before __asan_init |
| 18 | // so calloc will allocate memory from special pool. |
| 19 | static void init() { |
| 20 | ptr = calloc(10, 1); |
| 21 | } |
| 22 | |
| 23 | __attribute__((section(".preinit_array"), used)) |
| 24 | void *dummy = init; |
| 25 | |
| 26 | void free_memory() { |
| 27 | // This used to abort because |
| 28 | // Asan's free didn't recognize ptr. |
| 29 | free(ptr); |
| 30 | } |
| 31 | |
| 32 | int main() { |
| 33 | free_memory(); |
| 34 | return 0; |
| 35 | } |
| 36 | |